County · Louisiana · United States
St. Mary Parish ZIP codes
8 ZIP codes · 8 cities · FIPS 22101
Key facts
- State
- Louisiana (LA)
- FIPS code
- 22101
- Population
- 48,455
- Median household income
- $51,768
- Median age
- 39.7
- Land area
- 555.8 sq mi (1,439.6 km²)
- Population density
- 87 / sq mi
- Area codes
- 337, 985
Cities and ZIP codes in St. Mary Parish (8)
| City | ZIP codes |
|---|---|
| Amelia | 70340 |
| Baldwin | 70514 |
| Berwick | 70342 |
| Centerville | 70522 |
| Charenton | 70523 |
| Franklin | 70538 |
| Morgan City | 70380 |
| Patterson | 70392 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.